STL - CJU

$2,179 Find Cheap Flights from St. Louis to Jeju City - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$2,179
Typical prices: $1,714-$1,714
Multiple Airlines
Tue 12/11Tue 12/18
STL - CJU • 3 stops
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Flight Deals

Cheap Flights from St. Louis to Jeju City (STL-CJU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Jeju City

Fri, Dec 11 - Fri, Dec 18
Multiple Airlines Logo
4:05 pm - 5:55 pmSTL  Lambert-St Louis-CJU Jeju City
34h 50m3 stops Toronto Pearson Intl Amsterdam Schiphol Shanghai Pu Dong
Multiple Airlines Logo
4:20 pm - 10:53 amCJU  Jeju City-STL Lambert-St Louis
33h 33m3 stops Incheon Intl San Francisco Atlanta Hartsfield-Jackson
$2,179Multiple Airlines
Thu, Mar 4 - Sun, Mar 14
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4:05 pm - 7:35 amSTL  Lambert-St Louis-CJU Jeju City
48h 30m2 stops Toronto Pearson Intl Incheon Intl
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1:50 pm - 2:26 pmCJU  Jeju City-STL Lambert-St Louis
63h 36m2 stops Shanghai Pu Dong Toronto Pearson Intl
$4,339Multiple Airlines
Thu, Mar 4 - Sun, Mar 14
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3:04 pm - 9:25 pmSTL  Lambert-St Louis-CJU Jeju City
39h 21m3 stops Seattle/Tacoma Intl Vancouver Intl Shanghai Pu Dong
Multiple Airlines Logo
6:55 pm - 3:26 pmCJU  Jeju City-STL Lambert-St Louis
58h 31m2 stops Shanghai Pu Dong Toronto Pearson Intl
$4,772Multiple Airlines
Mon, Dec 14 - Mon, Dec 21
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5:40 pm - 9:25 pmSTL  Lambert-St Louis-CJU Jeju City
36h 45m3 stops Chicago O'Hare Intl Toronto Pearson Intl Shanghai Pu Dong
Multiple Airlines Logo
4:20 pm - 3:26 pmCJU  Jeju City-STL Lambert-St Louis
38h 06m2 stops Incheon Intl Toronto Pearson Intl
$4,904Multiple Airlines
Mon, Dec 14 - Mon, Dec 21
Multiple Airlines Logo
4:04 pm - 9:25 pmSTL  Lambert-St Louis-CJU Jeju City
38h 21m3 stops Seattle/Tacoma Intl Vancouver Intl Shanghai Pu Dong
Multiple Airlines Logo
11:35 am - 11:38 pmCJU  Jeju City-STL Lambert-St Louis
27h 03m3 stops Shanghai Pu Dong Vancouver Intl Chicago O'Hare Intl
$5,247Multiple Airlines
Fri, Dec 11 - Fri, Dec 18
Multiple Airlines Logo
4:05 pm - 12:50 pmSTL  Lambert-St Louis-CJU Jeju City
53h 45m2 stops Toronto Pearson Intl Shanghai Pu Dong
Multiple Airlines Logo
4:20 pm - 3:26 pmCJU  Jeju City-STL Lambert-St Louis
38h 06m2 stops Incheon Intl Toronto Pearson Intl
$6,830Multiple Airlines
Mon, Dec 14 - Mon, Dec 21
Multiple Airlines Logo
8:40 am - 5:45 pmSTL  Lambert-St Louis-CJU Jeju City
42h 05m2 stops Denver Intl Tokyo Narita
Multiple Airlines Logo
11:15 am - 6:18 pmCJU  Jeju City-STL Lambert-St Louis
22h 03m2 stops Tokyo Narita Chicago O'Hare Intl
$10,836Multiple Airlines
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Key details for St. Louis to Jeju City flights

Cheapest flight

$2,179
Round-trip flight from St. Louis to Jeju City

When to book flights from St. Louis to Jeju City

Are your dates flexible? Find out the best times to travel from St. Louis to Jeju City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Jeju City flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Do I need a passport to fly from St. Louis to Jeju City?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from St. Louis to Jeju City changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $2,179 to $10,836. That means the highest observed fare was about 5x higher than the lowest one.

  • What car rental options are available at Jeju City Airport (CJU)?

    Jeju City Airport (CJU) hosts 5 major car rental companies, with daily rates averaging $35 for economy cars. Top options include:

    • The Safe Rent A Car
    • Rainbow rental
    • Yesaway
    • Jeju One Car
    • Jeju OK Rent A Car

  • Which airports can I use when flying from St. Louis to Jeju City?

    Flights from St. Louis to Jeju City usually depart from Lambert-St Louis (STL) and arrive at Jeju City (CJU).

  • What is the time difference between St. Louis and Jeju City?

    Jeju City is 14 hours ahead of St. Louis (Korean Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking St. Louis to Jeju City flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from St. Louis to Jeju City

Complete your trip to Jeju City with a hotel stay or car rental

Car rentals in Jeju City
Hotels in Jeju City